Posted by frank on Saturday, September 8, 2007 at 6:40pm.
the answer is 0
Lim x-->0 of (3 sin 4x) / sin 3x
Both the numerator and denominator are zero in this limit, so you can use L'Hopital's rule.
Lim x-->0 of (3 sin 4x) / sin 3x =
Lim x-->0 (12 cos 4x) / (3 cos 3x ) = 4
thanks Iblis
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